S
M
T
W
T
F
S
26
58°
43°
27
56°
43°
28
57°
43°
29
56°
44°
30
59°
49°
1
56°
49°
2
57°
50°
3
55°
51°
4
58°
50°
5
57°
51°
6
58°
47°
7
59°
50°
8
57°
49°
9
60°
48°
10
62°
49°
11
61°
48°
12
60°
47°
13
61°
48°
14
59°
45°
15
55°
47°
16
56°
47°
17
55°
45°
18
55°
47°
19
56°
45°
20
56°
47°
21
57°
45°
22
57°
46°
23
60°
47°
24
63°
48°
25
64°
50°
26
62°
50°
27
60°
48°
28
61°
49°
29
58°
49°
30
57°
48°
31
56°
49°
1
57°
47°
2
58°
48°
3
58°
47°
4
57°
47°
5
58°
49°
6
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westhaven-Moonstone
Westhaven-Moonstone's May 2026 forecast shows daily high temperatures ranging from 55° to 64°, with overnight lows between 45° and 51°. The average high for May is 58° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Westhaven-Moonstone. See also: June | July | August.
